Dust cage



July 6 1926.

J. M STONE DUST GAGE Filed 'July 9,

1924 2 Sheets-Sheet 1 intenter Jul'y 6,1926; i Y

' DUST Thefinventionirelates to vdustf'f'cages, e Y j .j llas/asV an-objecttheprovision ofi a means'for A. Protecting' a jointupon :vehiclefro'lndust.

lfurther' object ofthei invention 1 is the 8 provision' ofa Vdust protecting device-par-v ticularly adaptable tothe joint between a steering V'rodanillthe steeringfarnii o f a ve- 'v I n', n j y. Y A,.Mv rv:wf-.' if 1A? further object'of'the inventionfisfthe 10 -provisi'onof' a'dustvcage having-means '-to permit' hinge action of the-l'v parts enclosed F urtherfobjects-ofthe inventioni willf'ap pear from the' 'following description when readV inv connectionwith theV acc'ornpajnyingv (ilrawingv lshowing an; Aillustrative v f embodi v 'Q nient of the invention, and iwherein jFigi 1 jis a perspective view of"thefdevice in placefup Fig; 2is aplanlview, partly` broken away,

y' Vof the 'devicefin'place}"'jf 1 Y Figi?) is an elevation ofthe-.device viewed at 'an 'angle to hingedly connectedLl-parts l which aregjoinedf by the/enclosedfjoint, Y Y

Y j j'FigL 4 isan. elevationf from a positionl df I' ametrically opposite'ffroni they vie`A Fig. `fis a broken fsectiononfbrolcen line 40 'The jointv 14, shown in Fig. 5', as ordinarily used, isy freely exposed to the dust of the road, or field, and the dust adhering to l1u-` bricant and workingitsl wayto the interior of the joint, results in very rapidly abrading 51,5 the bolt upon whichkthejoint acts.

To protect the joi t from the dust,ithere' vis'provided by they present invention a cage'y 15.0f cylindricalform, lwith closed ends, the.V

cylindrical .surface being broken byangu'-V larly extending walls16,.to allow'for change l of the angular relation: between thefparts e The device is desirably -formed of `leather j Y orV fabric having similar qualities, and the cylindrical wall thereof may be formed .in a single piece,fwith ahorizontal slit, as at 17,

f ny a joint beitweenfa'steering: roda:

20 andfasteering arn'13-' rv192i.k serialfnaizzspm; Y

severing.theV deviee. throughout.'substantial# l lyoneflialfof the cylinder.A v4 To surround the-portionsflQan ..13vwhere theyl extend to, 'thednte'ri-or; of-.fthe cage, col;- lars18, 19 arelprovide@'preferably formed Q integral with 1- thefi materialof the. jc'ylinder, the collar beingdivi'ded by thecontinu'zition o f the slit'17.. f 5 The rends? of .the yf'zylinder arell` shown! as terial, ai; 20, 21,the'disksmentionedhaving;

a horizontal'incision, to the edgestoffwhich j: f

Ythe disks 20, 21abcuttheir peripheriesgas Y- by"s"ewin`,'g. 'llo stiffenthe disks; 20", 21,. there 11" areslown 'disksgfof metal1,.as.tin, vat; 22,5 23:, shown. as secured? to. the 'interior' surface-.of

the disks 20,- y21,1.;by means? of. y integralears '24,f-orced' through fthe' materialv off the disks; n 20, V2K1, Vandiclinched; '.The upper' 'vdiskiis preferablyfformed with a lubricant; Y opening whiclnmray:l be 'closedby Ineansj .of fagplug 25, shownfassattached' toa'- string ,26 secured? te the. device Ltopreventsloss ofE the ypli'1g'..` 1"" pmi-,1,3112.jiifv itsf-fextent. whereby tog preserve they Vvertical'- form .fremgcollapsd there 'ane showngnietal plates, as'ef tinj, as atf27, 2 8, 'one'. ofwhich: is shown iniperspectivfe; iIrYEig.

7- These plates'mayfbel'senuredto the .i g.y

terial 'of the cylinderyasvby ears- 29; at their and by tabs 30 turned up.' from the materialy of the inner ends of the vplates Vand'abou't the ed e of the niaterialf'of-the cylinder along t e,slit-17.` Y Y f. n To close the slit 17 whenthe device isin place, there is shown a flapf31ljwhichmay be secured by a lineof stitching 32 at its upperiedge, and which ext-ends to a position well below the slit17, and two vadditional flaps 33,34, the former secured by a line of stitching 35, to the wall of the cylinder-'15, iat a pointv lbelow vthe edge of pj the flap 31,`

andthe latter secured by the line of stitching 32, already Lreferred to; The flaps 331, 34 are preferably provided withianged extensions -36, 37, adapted to` partially sury roundV the parts 12, 13, andto cover the por- @tion 0f the slit 17 ,which extends into. the" collars 18,19. y .Y v .A To place the device, the flaps.V 31, 33 and .34 are turned, back.V The slit 17 is' opened,

the Vflexible wallV ofthe cylinder, ineluling` j l i closedibydisk-like closures of'.thefsarnenia;` v

9o Qi.

the recess 16 beingbent to allow the slit to open suiliciently to pass over` the joint 14,

when the device isy closed with the `collars 18, 19 surrounding the parts 12, 13, and the of the cylinder in its normal positionrArk A The flap 3l is then turned down to cover the slit 17, andthe flaps 33, Stare then y,10V ldesirable fastening.

turned down to cover the Hap 31 when the edges ofthe flaps 33, 34 are united by any VA suitable form of fastening is Vthat shown as alacing 38 passfi ing through holes'adjacent the edges of the flaps V33, 34, and wrapped around they flanges 36,l 37 to secure the Awhole* tightly Vuponfthe parts 12,113. If desired,the interior of the cage may be packed with lubricant.-

"j ,'Minor changes maybetmade in the physical embodiment of `the inventionktwithout departing from its spirit. -I claim: t,

L1A -dust cageocomprising a .cylindrical casing adapted to enclose ac-joint, means to surround the parts attached to the joint where they extendthrough the walls ofthe cylinder, and means'extending parallel with the axis of the cylinder to produce flexibility of'one portion of therwall of the cylin-` der Yto permit of variation of the angular relation Vof said projecting partsf L 2. A dust cage comprising, in ,combination,`acylindrical casing adapted toenclose a joint, -the axis of the cylinder coinciding with the pivotal axisof the.joint,`means; to surroundA vthe, partst where` they"Y vextend through the wall of thepcasing, a reentrant angle in ai Vwall-of the casing to provide flexibility of said wall whereby variation of the angular relation ofsaid projecting parts may be accommodated. .A

j dust cage comprising', in combination, a cylinder of flexible material having a portion ofY its periphery formed with a'reentranty angle in planes parallel `to the axis `of the cylinder to provide hinging action Vof ,the ,Walls of the cylinder, stiffening j ,Y means forthe wall of the cylinder opposite edges of the cylinder meeting with' the wall said r'eentrantangle, said cylinder having vo} eI`1ings-or passage' of parts projecting `from a jointr to be enclosed thereby, means to surround;said projecting parts whereby to prevent entry of. dust. Y

A' dustY cageY comp'rising, in combination, a cylindricalcasing'offlexible mater rial, means to preserve Arigidity of a portion of the peripheryzof 'sa-id casing,1disklike closures for the ends of 'said casing, rigidity preserving means lover a portion 0f 1said disks, andmeans. to permit of lubrication of an enclosed joint. f l

5 A dust Cage Comprisingi rin combina.'

tion, a :substantially cylindrical, casingfof f flexible material having a transverse slit,` a

each side of the slit andextending throughout Va portion of the peripher 4of-the cylinder, said pieces having tabs ent about the l lpiece of sheet metal within saidvcylinder at Y means to secure saidvflaps in position,openings ,through the wall ofthe cylinder'adapted to surround members extending from an enclosed joint projecting romothe lcylinder perpendicular to the axis thereof, means carried, by ithe cylinder to surround said projecting members, Vsai'dcylinder lia-vin aninterrupt'ed portion, the flexible ymateria forming the walls of said cylinder' projecteoL ing froml the margin oflsaidinterrupted portion into a reentrant angle in planes par-l allel with VVthe axis of the'cylinder, discs enclosing the end of the'A cylinder, andmeansW-f to preserve the'rigidityofsaid discs. j

v a JACOB LLSTONE.n 

